Blockchain Security Engineer

About the role

We are seeking a Senior Blockchain Security Engineer with a strong security mindset and deep technical expertise across smart contracts, blockchain nodes, and decentralized infrastructure. You will play a critical role in safeguarding Web3 projects by auditing code, building security tools, and driving research.

Responsibilities

• Audit and review codebases for smart contracts, blockchain protocols, and decentralized applications (dApps) to identify and remediate vulnerabilities.
• Work closely with external blockchain teams to enhance the security of their products by providing expert security consultation and implementing remediation strategies.
• Conduct independent security research, explore new attack vectors, and deliver actionable insights.
• Design, develop, and maintain internal security tools and frameworks to strengthen our security services.
• Continuously improve internal processes, methodologies, and service offerings while ensuring high client satisfaction and long-term partnerships.

Required skills

• Smart contracts
• Blockchain protocols
• Threat modeling
• Risk assessment
• Security analysis
• Rust
• Go
• Solidity
• Python

Nice to have

• Mathematics
• Cryptography
• Cybersecurity

Qualifications

• Bachelor’s, Master’s, or PhD in Mathematics, Computer Science, or Information Security

Benefits

• Medical insurance
• Vision insurance
• Dental insurance
• 401(k) plan with company matching
• Life insurance
• Accidental death and dismemberment insurance
• HSA
• FSA
• Flexible paid time off
• Holidays

About the Company

CertiK is the largest blockchain security auditor and provides a comprehensive suite of tools to secure the industry at scale. To date, CertiK has worked with over 4,900 Enterprise clients, secured over $557 billion worth of digital assets, and has detected over 18,000 vulnerabilities in blockchain code.